Read the description of f below, and then use the drop-down menus to complete an explanation of why f is or is not a function. f relates each day of the year to the historical average high and low temperatures in New York City for that date.

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.